event: Convert existing spy records to simple

Very few of the existing event-spy records use the arguments they are
passed. Update them to use a simple spy instead, to simplify the code.

Where an adaptor function is currently used, remove it where possible.

Signed-off-by: Simon Glass <sjg@chromium.org>

arch/riscv/lib/spl.c

@@ -28,7 +28,7 @@ __weak void board_init_f(ulong dummy)
 	if (ret)
 		panic("spl_early_init() failed: %d\n", ret);
 
-	riscv_cpu_setup(NULL, NULL);
+	riscv_cpu_setup();
 
 	preloader_console_init();